. >> sreenivasan: in another development, scotland yard released a statement accusing unnamed individuals of trying to sabotage its investigation. part of that probe involves allegations that murdoch journalists paid bribes to police for information. rescuers in russia searched a huge reservoir on the volga river today, after a cruise boat sank on sunday. at least 55 people were killed, with 79 rescued and dozens more missing. it happened about 450 miles east of moscow, in windy, rainy conditions. the boat sank in just eight minutes. today, debris was visible in the water as search boats looked for victims and survivors. families stood by, hoping for news. those are some of the day's major stories. now, back to judy. >> woodruff: and we turn to africa where a nation is born, but with many troubles. at midnight friday in juba, the capital of the new south sudan, this sign said it all: "free at last". the turning of the clock to july 9, saturday, meant independence, and the creation of the world's newest nation. >> i am sending good luck to all the southern sudanese. >> woodruff: but the ju